E19o - 9…c5 10.Rd1 d6 11.b3 Bf6 12.Bb2 - Old Main Line [+0.27]

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E19o — Old Main Line
1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 Nxc3 9.Qxc3 c5 10.Rd1 d6 11.b3 Bf6 12.Bb2
Eval: [+0.27]
Les coups candidats
Ambassadeurs : Timman, Jan H (11x), Kýhos, Alois (10x), Ilyasov, Anatoly Fedorovich (9x), Weber, Karlheinz (7x), Langer, Raimund (7x), Kratochvíl, Václav (7x), Pérez López, Alberto (6x), Vaganian, Rafael A (5x)
12…Nd7 — 16.7% (158 parties)
Ambassadeurs : Andersson, Ulf (6x), Karpov, Anatoly (5x), Simal Moreira, Leonardo (4x), Siigur, Jüri (4x), Noble, Mark Frederick (3x), Jordaan, Wayne (3x), Portych, Václav (3x), Willmann, Bernd (3x)
12…Qc7 — 11.2% (106 parties)
Ambassadeurs : Karpov, Anatoly (8x), Andersson, Ulf (5x), Balashov, Yuri (3x), Da Silva Filho, Alcindo Luz Bastos (3x), Petrosian, Tigran V. (2x), Bagirov, Vladimir (2x), De Blois Figueredo, Adria (2x), Portisch, Lajos (2x)
12…Nc6 — 5.0% (47 parties)
Ambassadeurs : Tarjan, James (2x), Inkiov, Ventzislav (2x), Pachman, Ludek (1x), Gheorghiu, Florin (1x), Snyder, Robert M (1x), Adamski, Jan (1x), Andruet, Gilles (1x), Pomard, Didier (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 12…Qe7 12…Nd7 12…Qc7 12…Nc6
<1800 13 54% 15% 15% 15%
1800-2200 309 65% 19% 10% 4%
2200-2600 443 70% 16% 9% 5%
2600+ 42 45% 21% 26% 7%
Évolution par décennie (% des parties)
Décennie N parties 12…Qe7 12…Nd7 12…Qc7 12…Nc6
1960s 4 50% — — 25%
1970s 53 81% 2% 6% 9%
1980s 63 48% 19% 29% 5%
1990s 88 47% 19% 28% 5%
2000s 217 54% 20% 16% 8%
2010s 484 75% 17% 5% 3%
2020s 38 76% 13% 3% 8%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
12…Qe7 75% 76% ▲ +1.1%
12…Nd7 17% 13% ▼ -3.4%
12…Qc7 5% 3% ▼ -2.5%
12…Nc6 3% 8% ▲ +5.2%
Joueurs célèbres
Champions du monde dans cette position
Karpov, Anatoly — 10 parties
Tal, Mikhail — 3 parties
Karpov, Aleksandr — 2 parties
Smyslov, Vladimir — 2 parties
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Parties historiques
12…Qe7 — 66.2% (627 parties)
1968 — Ivkov, Borislav vs Korchnoi, Viktor — 0-1 — 18th Olympiad final A
1968 — Gheorghiu, Florin vs Korchnoi, Viktor — 0-1 — Palma de Majorca ESP
1970 — Ivkov, Borislav vs Polugaevsky, Lev — 1/2-1/2 — Palma de Mallorca izt
1970 — O'Kelly de Galway, Alberic vs Hecht, Hans-Joachim — 1/2-1/2 — Bad Pyrmont GER
1970 — Filip, Marius Liviu vs Korchnoi, Viktor — 0-1 — Siegen olm
12…Nd7 — 16.7% (158 parties)
1978 — Tukmakov, Vladimir B vs Makarichev, Sergey — 1-0 — Ashkhabad
1981 — Geller, Efim P. vs Makarichev, Sergey — 1/2-1/2 — Moscow RUS
1983 — Andersson, Ulf vs Karpov, Anatoly — 1/2-1/2 — cat. 15, It , Tilburg
1984 — Gligoric, Svetozar vs Beliavsky, Alexander G — 1/2-1/2 — Bugojno BIH
1984 — Andersson, Ulf vs Karpov, Anatoly — 1/2-1/2 — World - URS 37/90
12…Qc7 — 11.2% (106 parties)
1978 — Bagirov, Vladimir vs Balashov, Yuri — 1/2-1/2 — Lvov UKR
1979 — Bykhovsky, Avigdor vs Shakarov Alexander — 1/2-1/2 — Soviet Union
1979 — Petrosian, Tigran V. vs Karpov, Anatoly — 1/2-1/2 — Moscow RUS
1980 — Hort, Vlastimil vs Karpov, Anatoly — 1/2-1/2 — cat. 13, It , Buenos Aires
1980 — Miles, Anthony J vs Karpov, Anatoly — 1/2-1/2 — Valetta
12…Nc6 — 5.0% (47 parties)
1967 — Pachman, Ludek vs Gheorghiu, Florin — 1/2-1/2 — Moscow RUS
1977 — Tatai, Stefano vs Trabattoni, Franco — 1/2-1/2 — Rome Rome ITA
1977 — Polugaevsky, Lev vs Smyslov, Vladimir — 1/2-1/2 — Leningrad ch-URS
1978 — Adamski, Jan vs Inkiov, Ventzislav — 1/2-1/2 — Makarczyk op
1978 — Popov, Luben vs Inkiov, Ventzislav — 1/2-1/2 — Pernik